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can: gs_usb: document GS_CAN_FEATURE_GET_STATE

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Document the new feature ("GS_CAN_FEATURE_GET_STATE") that indicates
that the state of the CAN controller can be queried with the new
GS_USB_BREQ_GET_STATE control message.

Signed-off-by: Jeroen Hofstee <jhofstee@victronenergy.com>
Link: https://lore.kernel.org/all/20221019221016.1659260-7-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jeroen Hofstee
2022-08-28 12:25:02 +02:00
committed by Marc Kleine-Budde
parent 2f3cdad1c6
commit 40e1997d45
1 changed files with 4 additions and 1 deletions
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5
drivers/net/can/usb/gs_usb.c
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@@ -66,6 +66,7 @@ enum gs_usb_breq {
GS_USB_BREQ_BT_CONST_EXT,
GS_USB_BREQ_SET_TERMINATION,
GS_USB_BREQ_GET_TERMINATION,
GS_USB_BREQ_GET_STATE,
};
enum gs_can_mode {
@@ -135,6 +136,7 @@ struct gs_device_config {
/* GS_CAN_FEATURE_BT_CONST_EXT BIT(10) */
/* GS_CAN_FEATURE_TERMINATION BIT(11) */
#define GS_CAN_MODE_BERR_REPORTING BIT(12)
/* GS_CAN_FEATURE_GET_STATE BIT(13) */
struct gs_device_mode {
__le32 mode;
@@ -176,7 +178,8 @@ struct gs_device_termination_state {
#define GS_CAN_FEATURE_BT_CONST_EXT BIT(10)
#define GS_CAN_FEATURE_TERMINATION BIT(11)
#define GS_CAN_FEATURE_BERR_REPORTING BIT(12)
#define GS_CAN_FEATURE_MASK GENMASK(12, 0)
#define GS_CAN_FEATURE_GET_STATE BIT(13)
#define GS_CAN_FEATURE_MASK GENMASK(13, 0)
/* internal quirks - keep in GS_CAN_FEATURE space for now */